DEVICE FOR SIMULATED ICE COVER CHANNEL FORMING IN ICE TEST POOL
RADIO-HYDROACOUSTIC BUOY ON MICROCONTROLLER WITH ACOUSTIC UNDERWATER COMMUNICATION UNIT
NAVIGATIONAL RADIOOPTICAL ANGLE REFLECTOR OF DIRECTIONAL ACTION WITH LIGHT-REFLECTING FACES
METHOD FOR ESTIMATING CHARACTERISTIC OF LIQUEFIED NATURAL GAS LOAD
DEVICE FOR TOWING TESTS OF SCALE MODELS FOR SURFACE SHIPS OPEN WATER BODY